Home / 839,483.74-1,158,453.75-457,502.26

Finding the Fourth Proportional to 839,483.74, 1,158,453.75 and 457,502.26

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Solution

The fourth proportional to 839,483.74, 1,158,453.75 and 457,502.26 is: 631,334.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,483.74 : 1,158,453.75 = 457,502.26 : x
  2. Step 2: Convert to fraction form
    839,483.74/1,158,453.75 = 457,502.26/x
  3. Step 3: Cross multiply
    839,483.74x = 1,158,453.75 × 457,502.26
  4. Step 4: Simplify right side
    839,483.74x = 529,995,208,730.48
  5. Step 5: Solve for x
    x = 529,995,208,730.48/839,483.74
  6. Step 6: Final answer
    x = 631,334.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.